40212002 has 4 divisors (see below), whose sum is σ = 60318006. Its totient is φ = 20106000.

The previous prime is 40211959. The next prime is 40212017. The reversal of 40212002 is 20021204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40208281 + 3721 = 6341^2 + 61^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10052999 + ... + 10053002.

Almost surely, 2^40212002 is an apocalyptic number.

40212002 is a deficient number, since it is larger than the sum of its proper divisors (20106004).

40212002 is a wasteful number, since it uses less digits than its factorization.

40212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20106003.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 40212002 is about 6341.2934011919. The cubic root of 40212002 is about 342.5983222432.

Adding to 40212002 its reverse (20021204), we get a palindrome (60233206).

The spelling of 40212002 in words is "forty million, two hundred twelve thousand, two".